Orion (disambiguation)
- Orion (CEV) is the proposed NASA lunar crew vehicle
- The lunar module for Apollo 16
- Orion (nuclear) is a proposed propulsion system utilizing nuclear bombs as propellant
- The NASA Orion Sounding Rocket
- The Argentine Orion Sounding Rocket
- The Orion I communications satellite
- Orion is the name of the Pan Am Space Clipper shown in the movie 2001: A Space Odyssey
- The constellation Orion